Home / 497,621,509.40-745,480,481.70-267,514,117.40

Finding the Fourth Proportional to 497,621,509.40, 745,480,481.70 and 267,514,117.40

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Solution

The fourth proportional to 497,621,509.40, 745,480,481.70 and 267,514,117.40 is: 400,759,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,621,509.40 : 745,480,481.70 = 267,514,117.40 : x
  2. Step 2: Convert to fraction form
    497,621,509.40/745,480,481.70 = 267,514,117.40/x
  3. Step 3: Cross multiply
    497,621,509.40x = 745,480,481.70 × 267,514,117.40
  4. Step 4: Simplify right side
    497,621,509.40x = 199,426,553,100,902,368
  5. Step 5: Solve for x
    x = 199,426,553,100,902,368/497,621,509.40
  6. Step 6: Final answer
    x = 400,759,511.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.